<template>
  <div style="text-align: center;margin: 0 20px">
    <div style="margin-top: 100px">
      <div style="font-size: 25px;font-weight: bold">注册新用户</div>
      <div style="font-size: 14px;color: grey">欢迎来到注册页面，请在下方填写相关信息</div>
    </div>
    <div style="margin-top: 50px">
      <el-form :model="form" :rules="rules" @validate="onValidate" ref="formRef">
        <el-form-item prop="username">
          <el-input v-model="form.username" :maxlength="8" type="text" placeholder="用户名">
            <template #prefix>
              <el-icon><User /></el-icon>
            </template>
          </el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input v-model="form.password" :maxlength="16" type="password" placeholder="密码">
            <template #prefix>
              <el-icon><Lock /></el-icon>
            </template>
          </el-input>
        </el-form-item>
        <el-form-item prop="password_repeat">
          <el-input v-model="form.password_repeat" :maxlength="16" type="password" placeholder="重复密码">
            <template #prefix>
              <el-icon><Lock /></el-icon>
            </template>
          </el-input>
        </el-form-item>
        <el-form-item prop="email">
          <el-input v-model="form.email" type="email" placeholder="电子邮件地址">
            <template #prefix>
              <el-icon><Message /></el-icon>
            </template>
          </el-input>
        </el-form-item>
        <el-form-item prop="code">
          <el-row :gutter="10" style="width: 100%">
            <el-col :span="17">
              <el-input v-model="form.code" :maxlength="6" type="text" placeholder="请输入验证码">
                <template #prefix>
                  <el-icon><EditPen /></el-icon>
                </template>
              </el-input>
            </el-col>
            <el-col :span="5">
              <el-button type="success" @click="validateEmail"
                         :disabled="!isEmailValid || coldTime > 0">
                {{coldTime > 0 ? '请稍后 ' + coldTime + ' 秒' : '获取验证码'}}
              </el-button>
            </el-col>
          </el-row>
        </el-form-item>
      </el-form>
    </div>
    <div style="margin-top: 80px">
      <el-button style="width: 270px" type="warning" @click="register" plain>立即注册</el-button>
    </div>
    <div style="margin-top: 20px">
      <span style="font-size: 14px;line-height: 15px;color: grey">已有账号? </span>
      <el-link type="primary" style="translate: 0 -2px" @click="router.push('/')">立即登录</el-link>
    </div>
  </div>
</template>

<script setup>
import {EditPen,Lock,Message,User} from "@element-plus/icons-vue";
import router from "@/router/index.js";
import {reactive,ref} from "vue";
import {ElMessage} from "element-plus";
import {post,get} from "@/net/index.js";

const form=reactive({
  username: '',
  password: '',
  password_repeat: '',
  email: '',
  code: ''
})

const validateUsername=(rule,value,callback)=>{
  if (value===''){
    callback(new Error('请输入用户名'))
  }else if (!/^[a-zA-Z0-9\u4e00-\u9fa5]+$/.test(value)){
    callback('用户名不能包含特殊字符,只能使用中文或英文')
  }else {
    callback()
  }
}

const validatePassword=(rule,value,callback)=>{
  if (value===''){
    callback(new Error('你的密码输入为空,请重新输入'))
  }else if (value!==form.password){
    callback(new Error('两次输入的密码不一致'))
  }else {
    callback()
  }
}

const rules={
  username:[
    {validator:validateUsername,trigger:['blur','change']},
    { min: 2, max: 8, message: '用户名的长度必须在2-8个字符之间', trigger: ['blur', 'change'] },
  ],
  password:[
    { required: true, message: '请输入密码', trigger: 'blur' },
    {min:6,max:16,message: '密码长度必须再6-16个字符之间',trigger: ['blur','change']}
  ],
  password_repeat: [
    {validator:validatePassword,trigger:['blur','change']},
  ],
  email: [
    { required: true, message: '请输入邮件地址', trigger: 'blur' },
    {type: 'email', message: '请输入有效的电子邮件地址', trigger: ['blur', 'change']}
  ],
  code: [
    {required:true,message:'请输入获取的验证码',trigger:'blur'},
  ]
}

const formRef=ref()
const isEmailValid=ref(false)
const coldTime=ref(0)

const onValidate=(prop,isValid)=>{
  if (prop==='email'){
    isValid.vue=isValid
  }
}

const register=()=>{
  formRef.value.validate((isValid)=>{
    if(isValid){
      post('/api/auth/register',{
        username: form.username,
        password: form.password,
        email: form.email,
        code: form.code
      },()=>{
        ElMessage.success('注册成功,欢迎使用')
        router.push('/')
      })
    }else {
      ElMessage.warning('请填写完整的注册表单的信息!')
    }
  })
}

const validateEmail=()=>{
  coldTime.value=60
  get('api/auth/ask_code?email=${form.email}&type=register',()=>{
    ElMessage.success('验证码已经发送至邮箱:${form.email},请注意查收')
    const handle=setInterval(()=>{
      coldTime.value--
      if (coldTime.value===0){
        clearInterval(handle)
      }
    },1000)
  },undefined,(message)=>{
    ElMessage.warning(message)
    coldTime.value=0
  })



}





</script>

<style scoped>

</style>